就像奥斯卡王尔德说的“追求不可评价的东西是不可预言的”：目前美国次级抵押贷款危机备受关注，对其造成的影响和损失众说纷纭。
AS OSCAR WILDE might have said, it is the unspeakable in pursuit of the unrateable. America's Congress is holding hearings on the subprime-mortgage shambles and the losses that have resulted.
综合传热系数和系统内气体流动阻力损失是评价换热器性能的重要指标。
Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.
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